Hydrothermal Unzipping of Multiwalled Carbon Nanotubes and Cutting of Graphene by Potassium Superoxide
Abstract
:1. Introduction
2. Materials and Methods
2.1. Instrumentation
2.2. Sample Preparation
3. Results
3.1. Unzipping of MWNTs
3.2. Cutting of Graphene Nanosheets
4. Conclusions
Supplementary Materials
Author Contributions
Funding
Data Availability Statement
Acknowledgments
Conflicts of Interest
References
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Method | Width of Nanoribbons | Conductivity | Yield | Ref | |
---|---|---|---|---|---|
MWNT | H2SO4–KMnO4 | >100 nm | poor | nearly 100% | [19] |
MWNT | Air at 500 °C/sonication | 10–30 nm | good | 2% | [21] |
Carbon black | HNO3/90 °C | 30 nm | 66% | [37] * | |
MWNT | KOH/900 °C | 628 S m−1 | 53% | [38] | |
MWNT-f-OH | KO2 120 °C hydrothermal | 30–150 nm | 1730 S m−1 | >90% | ** |
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Koutsioukis, A.; Spyrou, K.; Chalmpes, N.; Gournis, D.; Georgakilas, V. Hydrothermal Unzipping of Multiwalled Carbon Nanotubes and Cutting of Graphene by Potassium Superoxide. Nanomaterials 2022, 12, 447. https://doi.org/10.3390/nano12030447
Koutsioukis A, Spyrou K, Chalmpes N, Gournis D, Georgakilas V. Hydrothermal Unzipping of Multiwalled Carbon Nanotubes and Cutting of Graphene by Potassium Superoxide. Nanomaterials. 2022; 12(3):447. https://doi.org/10.3390/nano12030447
Chicago/Turabian StyleKoutsioukis, Apostolos, Konstantinos Spyrou, Nikolaos Chalmpes, Dimitrios Gournis, and Vasilios Georgakilas. 2022. "Hydrothermal Unzipping of Multiwalled Carbon Nanotubes and Cutting of Graphene by Potassium Superoxide" Nanomaterials 12, no. 3: 447. https://doi.org/10.3390/nano12030447